Least Squares Estimators for Unit Root Processes with Locally Stationary Disturbance
The random walk is used as a model expressing equitableness and the effectiveness of various finance phenomena. Random walk is included in unit root process which is a class of nonstationary processes. Due to its nonstationarity, the least squares estimator (LSE) of random walk does not satisfy asym...
Main Authors: | , |
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Format: | Article |
Language: | English |
Published: |
Asia University
2012-01-01
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Series: | Advances in Decision Sciences |
Online Access: | http://dx.doi.org/10.1155/2012/893497 |